The boy d____to work hard because he wanted to pass the exam请帮忙填空并翻译成汉语

问题描述:

The boy d____to work hard because he wanted to pass the exam
请帮忙填空并翻译成汉语

The boy decided to work hard because he wanted to pass the exam.
根据从句的时态可以得出,主句的时态是过去式.